| Office: | First Secretary of the Congress of Deputies |
| Term Start: | 21 May 2019 |
| Predecessor: | Alicia Sánchez-Camacho |
| Office1: | Deputy Mayor of Barcelona |
| Term Start1: | 13 June 2015 |
| Term End1: | 15 June 2019 |
| Mayor1: | Ada Colau |
| Predecessor1: | Joaquim Forn |
| Office2: | Member of the Congress of Deputies |
| Term Start2: | 21 May 2019 |
| Constituency2: | Barcelona |
| Office3: | Member of the Barcelona City Council |
| Term Start3: | 13 June 2015 |
| Term End3: | 15 June 2019 |
| Birth Name: | Gerardo Pisarello Prados |
| Birth Place: | Tucumán, Argentina |
| Citizenship: | Spanish · Argentinian |
| Party: | Barcelona en Comú (2014–present) Catalunya en Comú (2017–present) |
| Birth Date: | 10 August 1970 |
| Alma Mater: | National University of Tucumán Complutense University of Madrid |
| Profession: | Law professor |
Gerardo Pisarello Prados (pronounced as /es/; born 10 August 1970)[1] is a Spanish-Argentine politician and jurist, member of the 13th Congress of Deputies. A member of Barcelona en Comú, he served as First Deputy Mayor of Barcelona between 2015 and 2019, with responsibility for Work, Economy and Strategic Planning.[2]
A former professor in constitutional law at the University of Barcelona, he was elected to the Barcelona City Council as part of the Barcelona en Comú municipal platform.[3]
He is the author of numerous books on constitutionalism, human rights and the right to the city and writes for Público, Eldiario.es and Sin Permiso.[4]
Pisarello was vice president of the DESC Observatory for over ten years and was one of the founding members of the anti-capitalist and pro-independence Procés Constituent.
He is a member of the Advisory Panel of DiEM25.[5]